Support Engineer Systems Engineering

Emmanuel B. Serrano

********.******@*****.***

972-***-****

SUMMARY

Telecoms Engineer with over 10+ years of experience in Field Engineering and Testing Industry and varied background in almost all phases of the installation, commissioning, integration, and testing of Mobile Networks (includes current 5G N600, 4G Nokia Airscale, LTE 1900, 700MHz, CDMA2000 with EVDO, WCDMA/UMTS, from different vendors (Ericsson, Alcatel-Lucent, Nokia and Samsung) as well as Radio Access Network Optimization, and Systems Engineering including OSS platforms. Install, Commissioning and troubleshooting of NOKIA routers (previously Alcatel-Lucent routers) such as SAS-M 7210, 7705 routers (SAR-A, SAR-F, and SAR-M).

Software upgrades for MMBTS modernization project in Sprint CDMA/EVDO Network. Ran scripts using UNIX applications such as Bourne, Korn, csh and tcsh shells. Analyze traffic (data 1x, 3x and voice) and troubleshoot alarms found in CDMA/EVDO base transceiver stations/cells and whole RAN Network. Configured antenna’s RET thru Remote BTS software SAM and BSM. I did some site integrations and mostly did 2nd carrier add EVDO for Sprint Network. Work with various internal and external resources to resolve critical issues. Notify Project Managers if bts alarms cannot be solved remotely and need a site visit.

Supports Sprint Network CDMA2000 3G EVDO. Monitor sites and troubleshoot alarms remotely thru OMP/OSS server on Sprint CDMA Network nationwide. Use Xshell for CLI and RAMSES for secured network access. Gain experiences and skills to do data translations using UNIX/Vi/Vim commands and running scripts. Check and clear alarms found in T1 bundles and Ethernet connectivity thru Alcatel-Lucent routers 7705 and 7750.

Knowledgeable to use Ericsson OSS/NIC softwares such as FTP Filezilla, Secure CRT and WINFiol for OSS access using CLI: Moshell or AMOS commands and GUI: Citrix, Network Analyzer, and Element Manager. Knows how to use UNIX/Vi or Vim system applications thru the use of command line interface (for Sprint Network access) and using Xshell software.

Familiar with UMTS Node B Cabinet and can integrate, commission and trouble shoot different type of cabinet alarms from different vendors such as Nokia Flexi BTS(ESMB,FSME,FSMF) and Ericsson UMTS Cabinet (3206, 3418, 3106).

Has experiences and skills in Ericsson UMTS and 2G Cabinet installation and to do Integration for Ericsson UMTS Node B 1st, 2nd, 3rd carrier and so forth.

Full knowledge to use computer operating systems from Windows XP to Windows 10, and other software applications such as Microsoft Office, Microsoft Outlook and Microsoft Visio. Has knowledge of using applications such as AutoCAD LT 2008/2009, AutoCAD 2002/2007, and Delorme Earthmate TOPO ver7. NIC softwares such as FTP Filezilla, Secure CRT, WINFiol, GUI Citrix and Xshell. Knows how to trouble shoot basic computer problems and do software installation.

EXPERIENCE

Support Engineer for CSR Backhaul (7250 IXR-e)/Nokia ALU Decom Project/Remote Job

Positions held:

2 yrs - MIT CSR Rehome Engineer.

1 yr - Transport Engineering Support

1 yr – MW conversion support engineer (AAV 2.0 to AAV 3.0)

T-Mobile Magenta Integration Team May 2021 – June 2, 2025

Creates new CSR rehome activities for 10G BWU for 5G network, VLAN change, or NNI rehome using One-t and Pronghorn Tool. Run VLAN tests thru Pronghorn jobs and troubleshoot VLAN test failures by interacting with different AAV vendors such as Cox, Zayo, Comcast, Verizon, AT&T and etc., for quick resolutions. Remotely support the FE in integrating a new CSR router for a new site development/build or upgrading the old CSR to the latest model IXR-e (CSR swap).

Performs CSR migration for Inter-chassis Rehome and 10G Bandwidth Upgrade for all the cell technologies Ericsson and Nokia equipment. Configure DACS and troubleshoot VT1’s issue for 2G network and PWE MAD routers. Experience with Nokia/ALU CSR routers & MAD routers. Working knowledge of CSR Rehomes, moving CSR from one MSO Router to another. Working directly with AAV vendors to increase bandwidth and improve performance.

Responsible for performing moderately complex activities supporting the design, development, and optimization of a backhaul network. Support the knowledge transfer of commissioning and Integration to other engineers. Single point-of-contact for integration, commissioning, and acceptance issues. Supporting the field teams with troubleshooting of connectivity or configuration issues. Creation of Customer Information Questionnaire (CIQ) for cell site router or other backhaul product configuration requirements. Creation of Site Configuration Files (SCF) for cell site router or other backhaul product commissioning. Planning and performing backhaul equipment/system decommissioning and reconfiguration as cell sites are removed from the network. Operating remote OSS or EMS systems for backhaul equipment configurations or reconfigurations. Remotely loading of SCFs or supporting third party field teams with the loading of SCFs onto backhaul equipment as needed. Entering new site configuration parameters into various network databases and administration tools. Validating test completions and performance acceptance. Tracking and reporting cell site integration milestones.

Decommissioning Project. Main Responsibility: Removing all LTE/5G/3G 1x+EVDO sites from the network through NetAct OSS/ and CDMA from OMP/OMC RAN servers. Putting all RAN base station status to RETIRED and declared Off-Air once the RF team locked the site and put them on temp Off-line.

Accustomed to use the ff: (Tools and Apps):

1.One Transport or One-T

2.Service Now

3.NetAct Nokia OSS: Monitor, CM Editor, NE Integration Wizard, CM Operations Manager

4.Web Element Manager (WEBEM) for Nokia LTE and 5G nodes access.

5.ENM for Ericsson Technologies such as OSS.

6.Pronghorn Tool

7.Axiom

8.Sliped

9.NEST

10.Pier 2.0

11.Spirent

12.One Console

13.Appian

14.NIMS

Tier 3 Support Engineer

Jamura 1.0 and 2.0 ver Project

T-Mobile, Sprint, US Cellular, Bell Canada, ATT Network October 2019 – Dec 2020

Automation Support Center (ASC)

Builder of the Jamura devices, include assembly and shipping, HW repair, OS SW and BTS Manager Upgrade. Detailed steps were described in “Remote C&I – Jamura MOP – All in One”

Owner of the remote troubleshooting of Jamura configuration and GDC connection issues with onsite support from GC. ASC has the access right to troubleshoot Jamura remotely. Handles Nokia support integration in different configurations remotely using Jamura 1.0 or 2.0 version such as SRAN integration using AHFIG/B, and Anchor integration using AEHC or AAHF radios for N2500 5G integration and L2500 integration. Gives remote support for GC and Field tech for Nokia Airscale troubleshooting that uses ASIB, ASIA, or ASIK and for baseband modules: ABIL, ABIA or ABIC.

Owner of the TMO remote E911 Call and Call Test process with onsite support from GC. Detailed steps were described in “Remote C&I – Jamura MOP – All in One”

Support other troubleshooting efforts relevant to its competence area. Communicate and monitor C&I issues through WhatsApp and Zoho Desktop Support applications.

ASC will ship to SACW personnel for tag and inventory management, then reallocated by SACW to GCs.

Nokia BTS Engineer July 28, 2014-July 17, 2019

T-mobile Rural Modernization Project

North Texas Market

Certified Nokia BTS Engineer with PTID# 001NSNX0001128. Have done 5GmmWave Integration using AEUF radio, also N600 cmWave using AHLOA radio and AIRSCALE Migration / E911 and SSV AIRVIEW Testing. Responsibilities are to install, commission and integrate LTE equipment known as Airscale, FSMF and FSME modules. Integrate Small Cells from main HUB site and calibrating the attenuation of FOC fibers for performance. Perform an Automatic Call Testing using Airview app includes e911 call tests from LG testphone. Install, Commissioning, integrating, System verification & acceptance for Nokia BTS/TD-LTE ( Flexi platform ) Network Element in different frequency bands such as L2100, L700 and L1900.

Develop and maintain BTS/TD-LTE project competence, process, and documents for deployment. Able to perform advance troubleshooting, can follow NSN NED documentation and independently resolve project issues. Has good understanding Antenna Line configuration and connectivity as well as Flexi BTS/TD-LTE Feature set ( Rx diversity / Antenna Line sharing ), Mimo 8x8 technology and antenna beam forming new feature. Coordinate actions and investigation of technical Issues between Customer, regional management, tier2/tier3/ Product Line support teams. Provide support to customers for O&M of RAN Network elements including competence transfer. Able to perform on Roof TOP Field Cell site & RRU implementation. Support Customer Lab for SW/ HW New Feature verification and validation.

Ensure quality customer satisfaction survey targets and carry end to end RAN support function

Work as Project Support Engineer for automation of the process and improve in efficiency & execution of the task.

Completed more than 300 sites for LTE 700MHz integration (FRLB and FRBG radio utilization) in T-Mobile Rural Modernization Project. All completed tasks also include troubleshooting, e911 call tests and integration of some UMTS and GSM technologies (Shared Technology using FHFB, FXFC and FXFB flexi radios in PCS band). Completed Nokia Project in Dallas Market for over 4 years such as Airscale migration, L600 add using AHLOA radios, L1900 Rapid Deployment, L700 Rural America, Modernization Project (GSM, AWS and PCS integration), Sector add (Adding Delta, Epsilon Foxrot Sectors in existing LTE 2100, 700, 1900 and PCS UMTS technologies) and Metrokeep Project (Building new PCS and LTE cabinets from old Metro PCS sites).

Samsung, Frisco Texas May 15, 2014 to July 27, 2014

TAC (Technical Assistance Center) 3G Engineer

Tier 1 engineering role. We are the first line of engineers to handle urgent calls coming from Field Engineer and external customers. Create trouble tickets using BMC Remedy tool and assigned those tickets to various internal groups (Samsung) or clients such as Sprint, Verizon and Clearwire. Create TRAMS ticket and re-assigned trouble tickets to EMS for external incident issues. Mostly monitor the RAN side of the CDMA 2000 1x EVDO technology for Sprint Network. Supports Field Operations for bts alarm troubleshooting and integrations thru BSM software application remotely. Assist RF engineers to add or run scripts which are needed to update Neighboring Channels and change other parameters setting to optimize the network coverage and performance. Run a batch file for parameter changes needed for multiple commercial sites during Maintenance Window. Escalates remedy tickets to the right engineering group after alarms were isolated and examined. Commission or calibrate or troubleshoot alarms found in antenna RET motors. Adjust antenna tilts suggested by RF engineers. Troubleshoot and assist Field Ops for CICA-A or CICA-D,CIMA cards installation and other MMBS alarms. Check the CSR router connectivity which is running thru Ethernet or fiber optic transmission of the MMBS cabinet.

Alcatel-Lucent Dublin OH 2012 to 2013

CDMA RAN/RF Engineer

Supports Sprint Network CDMA2000 3G EVDO. Monitor sites and troubleshoot alarms remotely thru OMP/OSS server on Sprint CDMA Network nationwide. Use Xshell for CLI and RAMSES for secured network access. Gain experiences and skills to do data translations using UNIX/Vi/Vim commands and running scripts. Check and clear alarms found in T1 bundles and Ethernet connectivity by going thru Alcatel-Lucent routers 7705 and 7750.

Analyze traffic (data 1x, 3x and voice) and troubleshoot alarms found in CDMA and EVDO base transceiver stations/cells. I did some site integrations and mostly did 2nd carrier add EVDO for Sprint Network. Notify Project Managers if cells alarm cannot be solved remotely and need a site visit.

Create RF plumbing diagram for UMTS and LTE AT&T network.

Creating Radio Frequency data sheet.

Trouble shoot and revision of proposed RF design as per site requirement.

Ericsson/T-Mobile, TX /CO 2011 to 2012

Network Integration Center (NIC) Engineer

Remotely assist or support ASP/FE (Field Engineer) thru Ericsson OSS for all types of UMTS integrations for AT&T Network (from 1st to 5th Carrier Integration on Ericsson Cabinet such as 3418, 3206, 3518, 3106 and using OBIF, RRU and RRUW).

Troubleshoot T1 alarms from ATM mode or Ethernet using fiber optic medium. Load and run radio carrier scripts. Integrate sites by following the Methods of Procedures (MOP) for particular integration task and trouble shoot alarms using application softwares WINfiol or Secure CRT. Knowledgeable to use MML commands like AMOS or Moshell.

Analyze degraded voice call by checking all the mismatch or missing parameters between BTS and RNC or RNC and MSC such as correct LAC/SAC/RAC/UARFCN and etc.

Assigned to do Alarm Clearing Project for North Carolina, South Carolina and Tennessee during my 8 months work in Ericsson for AT&T project.

Field Tester (RTU2/RT2)

Mainly responsible for installing 3rd FRIA Nokia modules for 2nd carrier add and commission those modules to the BTS. Install additional FPAA for extra power supply of BTS.

Install and commission FSME needed to make Nokia BTS cabinet capable of HSPA for 4G Network. Trouble-shoot BTS alarms on site.

Do calls test (SMS, Mobile to Mobile and Data) thru test phone on all sectors. Perform drive test for E911 testing to verify PSAP and class of service.

Work in Michigan Project. Did Nokia 2G installation, commissioning and integration. Install hardware modules in configuration of 4x4x4, 3x3x4 and etc. Commission new cabinet and integrate the cabinet to the network.

Trouble-shoot different 2G Cabinet alarms that arise during integration. Coordinate any issues and alarms to Nokia Siemens NOC and Project Manger.

AT&T Mobility, Los Angeles, Southern California Market & Dallas Market 2010 to 2011

Ericsson UMTS Integrator and Tester (RTU2/RT2)

Main job responsibilities are integrate UMTS 3206, 3106 and OBIF 3rd Carrier cabinets, commission and trouble shoot if Node B alarms arise during integration. Install DC power cables to UMTS cabinet +24 VDC for 3206 type and -48 VDC for RRU with OBIF type of cabinet. Fix T1’s issue at site from NIU cards. Coordinate any kind of site issue to responsible switch network like MSN, RNC Bridge and AT&T Bridge.

Trouble shoot alarm on fiber optic cables and other loose cable connection at RBS side like RF jumpers and co-site kit cables for 3rd Carrier Cabinet. Upgrade site from lower version P6 package to latest version P7 package. Do call test and data test on each sectors using TEMS Sony Ericsson Test phone.

In Dallas Market, did some 4th carrier integration and Ericsson UMTS alarms trouble shooting such as Low RSSI reading, Low VSWR, Antenna Branch alarms and etc., for ATT Wireless Network.

Node B Integrator and Tester Baton Rouge and New Orleans, Louisiana (Market)

Field Integrator mainly responsible for performing 1st, 2nd and 3rd Ericsson New Cabinet. Integration (3206, 3106). Do locally loading of scripts using EMAS for integration at site in different part of Louisiana. Do Node B alarms trouble shooting such as TMA, Atenna Branch alarm, Low RSSI and VSWR. Coordinate with NIC and AT&T Switch to trouble shoot T1 alarms. Also install 3206 new cabinet for 3rd Carrier.

Run and termite co-site kit cable. Swing RF jumpers at Diplexers and Node B Filter Unit (FU’s). Do 911 Call test and drive test at site.

Ericsson Field Tester (RT2) Tulsa, Oklahoma and Abilene, Texas (Market)

Install, Integrate and commission new Ericsson UMTS Cabinet using EMAS, Ceasar and WS File Transfer Protocol software those cabinet such as 3206, 3106, 3418 and 3518. Have done as many as 25 sites new integration for 1st Carrier, 2nd Carrier and 3rd Carrier.

Completed 10 cabinets swapped from 3418 to 3206 for 1st, 2nd and 3rd Carrier and integrate those cabinets. Did 10 sites for 2nd Carrier add. Did more than 20 sites for 3rd Carrier expansion in new cabinet.

Ran co-site kit cable for 3rd Carrier Cabinet. Did call test, data test and 911 after 3rd Carrier was added to existing 1st and 2nd Carrier Cabinet. Ran and test new T1. Terminate DC cables and power up newly built cabinet. Ran and terminate RF jumpers to cabinet. Trouble shoot as many as 30 sites for alarms such as Low VSWR, Low RSSI and Feeder current alarm, Antenna Branch A and B malfunction, PSU alarms and etc.

Stelera Broadband Network Texas and West Kansas Market 2009 to 2010

Project: Nokia Flexi UMTS, EMERSON Rectifier, Nokia HSPA Adapter

HSPA+WCDMA BTS Field Engineer

Install and commission newly built Nokia Flexi BTS cabinets with HSPA Adapter and Extension FSMB. Used DX2000 Nokia software to commission the HSPA Adapter. Integrate site to the network. Did drive test and make sure it would reach desired throughput of at least 7.5 Mbps for download speed and 1.2 Mbps for upload speed.

FCOA Flexi BTS Integrator

Completed a project for Stelera Wireless Network in Amarillo, Texas. Install Nokia Outdoor Cabinet FCOA Flexi BTS for HSPA+ including jumper cable installation and GPS antenna.

Commission Power Rectifier (Emerson) and upgrade Flexi BTS software. Audit site Service Panel for the standard power source 3-phase 220 V AC, correct 20 amperes Circuit Breaker and 12 AWG electrical wire gauge.

Node B UMTS Tester (NRTU2)

Worked with T-Mobile Nokia UMTS Project in different Cities of Arizona. Integrate and commission 50 UMTS sites. Upgrade BTS software to newer version for local and remote access on antenna tilt (RET) which will help the NOC (OSS) for remote RET adjustment. Its’ include Node B alarms trouble shooting which mainly focus on antenna such as RET alarms, MHA, VSWR alarms and feeder line loss.

Microwave Path Surveyor (Boston, Massachusetts)

Did Microwave Path survey project in Boston, MA for Sprint/NEXTEL Main Backhaul. Verified LOS or Blocked path. Used path profile to determine critical point and software TOPO version 7 with Delorme earthmate GPS to drive the path. Measure obstruction height like trees, buildings and etc., verified distance of antenna center line by using Range finder. Check azimuth and elevation thru compass and earthmate GPS.

AT&T Little Rock City and Fayetteville City, Arkansas, Tulsa 2008 to 2009

Project: 2G and UMTS Ericsson Cabinet

Ericsson Field Engineer/Tester/BTS Technician (RT2)

2G Cabinet Swapping from old DOBSON BTS cabinets to Ericsson BTS cabinets and New 3G Ericsson Cabinet installation and 2nd Carrier Expansion for AT&T project. Completed an Ericsson Project (Dobson), Oklahoma. Work as a RTU1 Engineer for Ericsson Project in Tulsa, Oklahoma and Fort Smith, Arkansas. Installed 60 Outdoor Cabinets (3106, 2106) and Indoor Cabinet (3206). Done second carrier add for UMTS Cabinet 3206 and trouble shoot 2G and 3G alarms.

Integrate new 2G Ericsson Cabinets (3106, 2106). Install Back up Battery for Ericsson 2G and 3G Outdoor Cabinet. Have done T1 installation from shelter to demarc box, T1 BER testing and site QA. Install and ran RF jumpers from cabinet to feeder lines. Do antenna sweep test.

Have done 60 sites for 3g 2nd carrier integration Cabinet 3206 and Node B trouble shooting in Little Rock, AR and Fayetteville, AR. Installed RF connectors and ran RF jumpers for UMTS. Install new lines of Cat5 for new T1’s requirement from Shelter Telco Box to NIU equipment outdoor location. Terminate T1s in Indoor Cabinet to NIU card.

UMTS Node B Engineer/Drive Tester (NRTU2) (Denver, Colorado)

Work as a UMTS Node B Engineer for Nokia 3G Network in Denver, CO. Perform Functional Test Call and alarm Trouble Shooting for BTS 3G Nokia Cabinet. Drive around the BTS to conduct call test in all sectors. Check for voice call and proper handover. Test SMS and packet call or data on the BTS side. Trouble shoot and re-commission 3G BTS if alarms exist on the site. Do 911 test calls.

GW Communications, TX 2007 to 2008

Project: AT&T, Verizon, Sprint, Nextel, T-Mobile

Outside Plant Engineer/Site Surveyor/AutoCad Drafter

AT&T NY, MD, VA 2005 to 2006

Project: Nokia GSM (Ultrasite Cabinet)

BTS Field Auditor/GSM Field Engineer

Smart Communications 2000 to 2005

O&M Engineer/BSS Optimization Engineer/Transmission Engineer

EDUCATION

B.S. Electronics and Communications Engineering, University of the City of Manila (PLM), 1998.

CERTIFICATION/TRANNING

RF Awareness Training. Completed on July 12, 2020. Online Training by Safety Provision, INC.

OSHA 10-Hour General Industry. Completed on June 28, 2020. Online Training by ClickSafety.com

CPR/AED: Adult, Child, Infant + Standard First Aid (BLS) Online Certification, Completed on June 10, 2020. Institution: American Health Care Academy

Beginning Programming I, Basic Python. Feb 24 to June 5, 2020. Collin College (Continuing Education Program.)

TMO 5G LTW C&I Level 3 5G_003_TMO_5G_C&I-USA, February 3-February 4, 2019, Naperville, Illinois.

TMO 5G LTW Install Level 1 5G_001_TMO_5G_Install-USA, February 5, 2019, Naperville, Illinois.

Nokia Flexi 4G LTE 1900/700 Mhz Expansion Tmobile Commissioning & Integration Training. Sponsored by Nokia on September 22-26, 2014.

Commissioning and Integration. Certified by Nokia (NSN) in Irving, Texas on July 28-Aug 1, 2014.

Sprint NV MM-BTS Tower Top and Migration - Certificate from Alcatel-Lucent Services - Radio Access Network Methods and Procedures - October 26, 2013

Comptia Network + Training Certification, Network Protocols and Security, Courtyard Center Community College, Plano, TX (June 04 – 24, 2012)

Completed CCNA1 Network Fundamentals Certification, OSI Layers and TCP/IP Functions and Definitions, Richland College Dallas TX (January 08 - March 07, 2012)

Dragonwave Certification, WIMAX Microwave Antenna, Radio and Modem Installation and Commissioning, AirPair, Horizon Compact, and Horizon Duo, Provided by: DragonWave and Clearwire, Fort Worth, TX (November 3-4, 2009)

Axell PCS and AWS Mini Repeater (Axell 2119, 2117), Sponsored by: TNS, 655 N Glenville Dr, Richardson, TX (September 15, 2009)

3G Basics (WCDMA Network), Site Engineering, Network Implementation, Service Excellence Center Training, Sponsored by: Nokia Siemens, Dallas SEC 6000 Connection Dr., Irving, Tx, (July 14 – 18, 2008)

FLX005/Flexi Boot Camp, Installation, Commissioning, and Integrations, Site Engineering, Network Implementation, Sponsored by: Nokia Siemens, Dallas SEC 6000 Connection Dr., Irving, TX (July 28 – August 1, 2008)

Outside Plant Training for the fundamentals of FTTN(Fiber to the Node) and FTTP, (Fiber to the Premises) Network, Conducted by: GW Communications, Prestonwood Tower., Belt line Rd., Addison, Texas, (June 25 – July 20, 2007)

Service Excellence Program, Attended a formal BTS training and have been certified for a level 2 position in Installation and commissioning of Ultrasite BTS, Sponsored by: NOKIA, Nokia Office, Redmond, Washington, USA (November 28 -December 03, 2005)

TCP/IP basic Echo-training, Sponsored by: Smart Communications, Inc., February 8, 2005

Wireless Broadband Training “Wifi”, Base Station Survey Installation & Network Commissioning, CPE Installation & Technical Support, Sponsored by: Smart Communications, Inc. and Meridian Wifi (January 18-21, 2005)

Telecommunications Cadet Program by PILTEL(October – December, 1999), Basic Principles of AMPS Cellular System

GSM System Training Course, SYSTRA by NOKIA (April, 2002), Basic Principles of GSM Network

SDH Technology by AGILENT Technologies Philippines (July, 2002), Fundamentals of SDH Network, Fiber Optics, Basics & Test Methodologies by Agilent Technologies (June, 2004)

1642 EM STM Mux by ALCATEL (August, 2004), Equipment System Description and Operations

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